Olivine

Olivine- Chris Mogren and Garret Evans.




Hardness: 6.5-7.

Color: Lime green.

Luster: Glassy.

Streak: White, gray

Density: 3.25 gm.

Crystal System: Orthorhombic

Cleavage/Fracture: Very brittle fracture producing small

Where it is found: Arizona, California, New Mexico, St. Johns Island in the Red Sea, and Myanmar

Special Characteristics: When transparent, green, and devoid of fractures, olivine is the gemstone period.

How it forms:

Sites Used: http://skywalker.cochise.edu/wellerr/mineral/olivine/olivine.html
http://webmineral.com/data/Olivine.shtml, http://www.encyclopedia.com/topic/olivine.aspx